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Finding the Fourth Proportional to 546,069,946.90, 819,104,920.35 and 546,069,946.90

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Solution

The fourth proportional to 546,069,946.90, 819,104,920.35 and 546,069,946.90 is: 819,104,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,069,946.90 : 819,104,920.35 = 546,069,946.90 : x
  2. Step 2: Convert to fraction form
    546,069,946.90/819,104,920.35 = 546,069,946.90/x
  3. Step 3: Cross multiply
    546,069,946.90x = 819,104,920.35 × 546,069,946.90
  4. Step 4: Simplify right side
    546,069,946.90x = 447,288,580,361,053,248
  5. Step 5: Solve for x
    x = 447,288,580,361,053,248/546,069,946.90
  6. Step 6: Final answer
    x = 819,104,920.35

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.